122212020011220 has 72 divisors (see below), whose sum is σ = 370727907164160. Its totient is φ = 32588279640000.

The previous prime is 122212020011141. The next prime is 122212020011233. The reversal of 122212020011220 is 22110020212221.

It is a happy number.

122212020011220 is a `hidden beast` number, since 1 + 2 + 221 + 20 + 200 + 1 + 1 + 220 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 122212020011193 and 122212020011202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12890656 + ... + 20263095.

Almost surely, 2^{122212020011220} is an apocalyptic number.

122212020011220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122212020011220 is an abundant number, since it is smaller than the sum of its proper divisors (248515887152940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122212020011220 is a wasteful number, since it uses less digits than its factorization.

122212020011220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33174245 (or 33174240 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 122212020011220 its reverse (22110020212221), we get a palindrome (144322040223441).

The spelling of 122212020011220 in words is "one hundred twenty-two trillion, two hundred twelve billion, twenty million, eleven thousand, two hundred twenty".